/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gravitee.gateway.platform;

import io.gravitee.definition.model.flow.Flow;
import io.gravitee.gateway.api.ExecutionContext;
import io.gravitee.gateway.flow.condition.CompositeConditionEvaluator;
import io.gravitee.gateway.flow.condition.ConditionalFlowResolver;
import io.gravitee.gateway.flow.condition.evaluation.HttpMethodConditionEvaluator;
import io.gravitee.gateway.flow.condition.evaluation.PathBasedConditionEvaluator;
import io.gravitee.gateway.flow.condition.evaluation.el.ExpressionLanguageBasedConditionEvaluator;
import io.gravitee.gateway.platform.manager.OrganizationManager;
import java.util.Collections;
import java.util.List;

/**
 * @author Guillaume CUSNIEUX (guillaume.cusnieux at graviteesource.com)
 * @author GraviteeSource Team
 */
public class OrganizationFlowResolver extends ConditionalFlowResolver {

    private OrganizationManager organizationManager;

    public OrganizationFlowResolver(OrganizationManager organizationManager) {
        super(
            new CompositeConditionEvaluator(
                new HttpMethodConditionEvaluator(),
                new PathBasedConditionEvaluator(),
                new ExpressionLanguageBasedConditionEvaluator()
            )
        );
        this.organizationManager = organizationManager;
    }

    @Override
    protected List<Flow> resolve0(ExecutionContext context) {
        Organization currentOrganization = organizationManager.getCurrentOrganization();
        if (currentOrganization != null) {
            return currentOrganization.getFlows() != null ? currentOrganization.getFlows() : Collections.emptyList();
        }
        return Collections.emptyList();
    }
}
